Error(s) in re-building vignettes:
--- re-building 'Vig_01_Start_Here.Rmd' using rmarkdown
--- finished re-building 'Vig_01_Start_Here.Rmd'

--- re-building 'Vig_02_Conceptual_Intro_PCA.Rmd' using rmarkdown
! Package pdftex.def Error: File `3990a6b2347fc736a3bc55831136f69883b2671e.pdf'
 not found: using draft setting.

Error: processing vignette 'Vig_02_Conceptual_Intro_PCA.Rmd' failed with diagnostics:
LaTeX failed to compile D:/RCompile/CRANpkg/local/4.4/LearnPCA.Rcheck/vign_test/LearnPCA/vignettes/Vig_02_Conceptual_Intro_PCA.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See Vig_02_Conceptual_Intro_PCA.log for more info.
--- failed re-building 'Vig_02_Conceptual_Intro_PCA.Rmd'

--- re-building 'Vig_03_Step_By_Step_PCA.Rmd' using rmarkdown
! Package pdftex.def Error: File `a9cf0585a85cee5bde4c917f19df1dd31bd1d337.pdf'
 not found: using draft setting.

Error: processing vignette 'Vig_03_Step_By_Step_PCA.Rmd' failed with diagnostics:
LaTeX failed to compile D:/RCompile/CRANpkg/local/4.4/LearnPCA.Rcheck/vign_test/LearnPCA/vignettes/Vig_03_Step_By_Step_PCA.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See Vig_03_Step_By_Step_PCA.log for more info.
--- failed re-building 'Vig_03_Step_By_Step_PCA.Rmd'

--- re-building 'Vig_04_Scores_Loadings.Rmd' using rmarkdown
--- finished re-building 'Vig_04_Scores_Loadings.Rmd'

--- re-building 'Vig_05_Visualizing_PCA_3D.Rmd' using rmarkdown
! Package pdftex.def Error: File `b6c9d9c240797a35f5835222668390cc4be31b35.pdf'
 not found: using draft setting.

Error: processing vignette 'Vig_05_Visualizing_PCA_3D.Rmd' failed with diagnostics:
LaTeX failed to compile D:/RCompile/CRANpkg/local/4.4/LearnPCA.Rcheck/vign_test/LearnPCA/vignettes/Vig_05_Visualizing_PCA_3D.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See Vig_05_Visualizing_PCA_3D.log for more info.
--- failed re-building 'Vig_05_Visualizing_PCA_3D.Rmd'

--- re-building 'Vig_06_Math_Behind_PCA.Rmd' using rmarkdown
! Package pdftex.def Error: File `450e608258dc816ddab76341656d2e208b2ba851.pdf'
 not found: using draft setting.

Error: processing vignette 'Vig_06_Math_Behind_PCA.Rmd' failed with diagnostics:
LaTeX failed to compile D:/RCompile/CRANpkg/local/4.4/LearnPCA.Rcheck/vign_test/LearnPCA/vignettes/Vig_06_Math_Behind_PCA.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See Vig_06_Math_Behind_PCA.log for more info.
--- failed re-building 'Vig_06_Math_Behind_PCA.Rmd'

--- re-building 'Vig_07_Functions_PCA.Rmd' using rmarkdown
! Package pdftex.def Error: File `f674ecfd5330850852465eed6101e5cd66aa3d0b.pdf'
 not found: using draft setting.

Error: processing vignette 'Vig_07_Functions_PCA.Rmd' failed with diagnostics:
LaTeX failed to compile D:/RCompile/CRANpkg/local/4.4/LearnPCA.Rcheck/vign_test/LearnPCA/vignettes/Vig_07_Functions_PCA.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See Vig_07_Functions_PCA.log for more info.
--- failed re-building 'Vig_07_Functions_PCA.Rmd'

--- re-building 'Vig_08_Notes.Rmd' using rmarkdown
--- finished re-building 'Vig_08_Notes.Rmd'

SUMMARY: processing the following files failed:
  'Vig_02_Conceptual_Intro_PCA.Rmd' 'Vig_03_Step_By_Step_PCA.Rmd'
  'Vig_05_Visualizing_PCA_3D.Rmd' 'Vig_06_Math_Behind_PCA.Rmd'
  'Vig_07_Functions_PCA.Rmd'

Error: Vignette re-building failed.
Execution halted